*Max stand-by time around 7 days per fully charge (Pls note: More motions less standby time)*Put-it-there to record people moving,tiny size to suit any places*One-press to enter motion detection and record accurately*For long time recording or standby,we suggest it work with external power*Time setting can only work by TAG.txt file format (Mac OS is not applicable)*Built-in lithium-ion rechargeable batterySpecification: